Home / 13,884.56-20,827.08-5,114.96

Finding the Fourth Proportional to 13,884.56, 20,827.08 and 5,114.96

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Solution

The fourth proportional to 13,884.56, 20,827.08 and 5,114.96 is: 7,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.56 : 20,827.08 = 5,114.96 : x
  2. Step 2: Convert to fraction form
    13,884.56/20,827.08 = 5,114.96/x
  3. Step 3: Cross multiply
    13,884.56x = 20,827.08 × 5,114.96
  4. Step 4: Simplify right side
    13,884.56x = 106,529,681.12
  5. Step 5: Solve for x
    x = 106,529,681.12/13,884.56
  6. Step 6: Final answer
    x = 7,672.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.